openjk: add darwin support (#462784)

pkgs/by-name/op/openjk/package.nix

@@ -71,6 +71,8 @@ stdenv.mkDerivation {
 
   outputs = [
     "out"
+  ]
+  ++ lib.optionals stdenv.hostPlatform.isLinux [
     "openjo"
     "openja"
   ];
@@ -83,40 +85,80 @@ stdenv.mkDerivation {
     "-DBuildJK2SPEngine:BOOL=ON"
     "-DBuildJK2SPGame:BOOL=ON"
     "-DBuildJK2SPRdVanilla:BOOL=ON"
+  ]
+  # Otherwise will fall with `not found <fp.h>`
+  ++ lib.optionals stdenv.hostPlatform.isDarwin [
+    "-DUseInternalJPEG:BOOL=OFF"
+    "-DUseInternalPNG:BOOL=OFF"
   ];
 
-  postInstall = ''
-    mkdir -p $out/bin $openja/bin $openjo/bin
-    mkdir -p $openja/share/applications $openjo/share/applications
-    mkdir -p $openja/share/icons/hicolor/128x128/apps $openjo/share/icons/hicolor/128x128/apps
-    mkdir -p $openja/opt $openjo/opt
-    mv $out/opt/JediAcademy $openja/opt/
-    mv $out/opt/JediOutcast $openjo/opt/
-    jaPrefix=$openja/opt/JediAcademy
-    joPrefix=$openjo/opt/JediOutcast
+  postInstall =
+    if stdenv.hostPlatform.isLinux then
+      ''
+        mkdir -p $out/bin $openja/bin $openjo/bin
+        mkdir -p $openja/share/applications $openjo/share/applications
+        mkdir -p $openja/share/icons/hicolor/128x128/apps $openjo/share/icons/hicolor/128x128/apps
+        mkdir -p $openja/opt $openjo/opt
+        mv $out/opt/JediAcademy $openja/opt/
+        mv $out/opt/JediOutcast $openjo/opt/
+        jaPrefix=$openja/opt/JediAcademy
+        joPrefix=$openjo/opt/JediOutcast
 
-    makeWrapper $jaPrefix/openjk.* $openja/bin/jamp --chdir "$jaPrefix"
-    makeWrapper $jaPrefix/openjk_sp.* $openja/bin/jasp --chdir "$jaPrefix"
-    makeWrapper $jaPrefix/openjkded.* $openja/bin/openjkded --chdir "$jaPrefix"
-    makeWrapper $joPrefix/openjo_sp.* $openjo/bin/josp --chdir "$joPrefix"
+        makeWrapper $jaPrefix/openjk.* $openja/bin/jamp --chdir "$jaPrefix"
+        makeWrapper $jaPrefix/openjk_sp.* $openja/bin/jasp --chdir "$jaPrefix"
+        makeWrapper $jaPrefix/openjkded.* $openja/bin/openjkded --chdir "$jaPrefix"
+        makeWrapper $joPrefix/openjo_sp.* $openjo/bin/josp --chdir "$joPrefix"
 
-    cp $src/shared/icons/OpenJK_Icon_128.png $openjo/share/icons/hicolor/128x128/apps
-    cp $src/shared/icons/OpenJK_Icon_128.png $openja/share/icons/hicolor/128x128/apps
-    ln -s ${jamp}/share/applications/* $openja/share/applications
-    ln -s ${jasp}/share/applications/* $openja/share/applications
-    ln -s ${josp}/share/applications/* $openjo/share/applications
-    ln -s $openja/bin/* $out/bin
-    ln -s $openjo/bin/* $out/bin
-    rm -rf $out/opt
+        cp $src/shared/icons/OpenJK_Icon_128.png $openjo/share/icons/hicolor/128x128/apps
+        cp $src/shared/icons/OpenJK_Icon_128.png $openja/share/icons/hicolor/128x128/apps
+        ln -s ${jamp}/share/applications/* $openja/share/applications
+        ln -s ${jasp}/share/applications/* $openja/share/applications
+        ln -s ${josp}/share/applications/* $openjo/share/applications
+        ln -s $openja/bin/* $out/bin
+        ln -s $openjo/bin/* $out/bin
+        rm -rf $out/opt
+      ''
+    else if stdenv.hostPlatform.isDarwin then
+      ''
+        mkdir -p $out/Applications $out/bin
+        mv $out/opt/JediOutcast/openjo_sp.*.app $out/Applications/openjo_sp.app
+        mv $out/opt/JediAcademy/openjk.*.app $out/Applications/openjk.app
+        mv $out/opt/JediAcademy/openjk_sp.*.app $out/Applications/openjk_sp.app
+        mv $out/opt/JediAcademy/openjkded.* $out/bin/openjkded
+        rm -rf $out/opt
+
+        makeWrapper $out/Applications/openjk.app/Contents/MacOS/openjk.* $out/bin/openjk \
+          --chdir $out/Applications/openjk.app/Contents/MacOS/
+
+        makeWrapper $out/Applications/openjk_sp.app/Contents/MacOS/openjk_sp.* $out/bin/openjk_sp \
+          --chdir $out/Applications/openjk_sp.app/Contents/MacOS/
+
+        makeWrapper $out/Applications/openjo_sp.app/Contents/MacOS/openjo_sp.* $out/bin/openjo_sp \
+          --chdir $out/Applications/openjo_sp.app/Contents/MacOS/
+      ''
+    else
+      throw "unsupported system";
+
+  # CMake is copying libraries, but their links are needed
+  postFixup = lib.optionalString stdenv.hostPlatform.isDarwin ''
+    for app in openjk openjk_sp openjo_sp; do
+      pushd $out/Applications/$app.app/Contents/Frameworks/
+
+      rm *.dylib
+      ln -s ${SDL2}/lib/libSDL2.dylib libSDL2-2.0.0.dylib
+      ln -s ${zlib}/lib/libz.dylib libz.dylib
+
+      popd
+    done
   '';
 
   passthru.updateScript = unstableGitUpdater { };
 
-  meta = with lib; {
+  meta = {
     description = "Open-source engine for Star Wars Jedi Academy game";
     homepage = "https://github.com/JACoders/OpenJK";
-    license = licenses.gpl2Only;
-    platforms = platforms.linux;
-    maintainers = [ ];
+    license = lib.licenses.gpl2Only;
+    platforms = with lib.platforms; linux ++ darwin;
+    maintainers = with lib.maintainers; [ r4v3n6101 ];
   };
 }